/*--------------------------------------------------------------------
JAVASCRIPT  "index" - Psikontacto

Version: 	1.0 - 2006/2007
author: 		Burocratik (alexandre gomes)
email: 		alex@burocratik.com
website: 	http://www.burocratik.com
-----------------------------------------------------------------------*/

/* =INDEX: coloca-los todos display:none antes do on.load
-----------------------------------------------------------------------*/
var W3CDOM = (document.getElementsByTagName && document.createElement);
if (W3CDOM){
	var link = document.createElement('link');
	link.setAttribute("rel", "stylesheet");
	link.setAttribute("type", "text/css");
	link.setAttribute("href", "scripts/index-javascript.css");
	link.setAttribute("media", "screen");
	document.getElementsByTagName("head")[0].appendChild(link);
}
	
/* =INDEX: abrir e fechar das noticias
-----------------------------------------------------------------------*/
function fVisivel(id) {
  var divs = document.getElementsByTagName("div");
  for (var i=0; i<divs.length; i++ ) {
    if (divs[i].className.indexOf("txtRestante") == -1) continue;
    if (divs[i].getAttribute("id") == id) {
	 	divs[i].style.display = (divs[i].style.display=="none") ? "block" : "none"; //Se esta fechado posso abrir
    } 
  }
}

// =Desactivar o botao ao clicar
function fBotao(clicado){
	var links = getElementsByClassName(document, "a", "bt_clps");
	var linksMenos = getElementsByClassName(document, "a", "bt_clpsMenos");
	//link Mais
	for (var i=0; i<links.length; i++ ) {
		if (links[i] == clicado) {
		links[i].style.display = "none"
		linksMenos[i].style.display = "inline"
    	}
	}
	//link Menos
	for (var i=0; i<linksMenos.length; i++ ) {
		if (linksMenos[i] == clicado) {
		linksMenos[i].style.display = "none"
		links[i].style.display = "inline"
    	}
	}	
}

function iniciarLinks() {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	var links = getElementsByClassName(document, "a", "bt_clps");
	var linksMenos = getElementsByClassName(document, "a", "bt_clpsMenos");
	//link mais
	for (var i=0; i<links.length; i++ ) { 
   	var sectionId = links[i].getAttribute("href").split("#")[1]; 
    	if (!document.getElementById(sectionId)) continue;
		document.getElementById(sectionId).style.display = "none"; 
		links[i].destination = sectionId; 
    	links[i].onclick = function() {
			fBotao(this);
      	fVisivel(this.destination);
      	return false;
    	} 
	}
	//link menos
	for (var i=0; i<linksMenos.length; i++ ) { 
   	var sectionId = linksMenos[i].getAttribute("href").split("#")[1]; 
    	if (!document.getElementById(sectionId)) continue;
		document.getElementById(sectionId).style.display = "none";
		linksMenos[i].destination = sectionId; 
    	linksMenos[i].onclick = function() {
			fBotao(this);
      	fVisivel(this.destination);
      	return false;
    	} 
	}	
}

/* =Preparar Eventos
-----------------------------------------------------------------------*/
addLoadEvent(iniciarLinks);